Suppose that the number of calls to the customer service department of Kimberly’s Fine Furniture is...
Suppose that the number of calls to the customer service department of Kimberly’s Fine Furniture is Poisson distributed with a µ = 1 per minute. What is the probability of getting at least 50 calls for per hour for at least 3 out of 5 random one-hour periods?
- A. (1- POISSON(49,60,1))3
- B. 1- BINOMDIST(3,5,1-POISSON(50,60,1),1)
- C. BINOMDIST(3,5,POISSON(50,60,1),0)
- D. 1- BINOMDIST(2,5,1-POISSON(49,60,1),1)
- E. BINOMDIST(3,5,1-POISSON(49,60,1),1)
Homework Answers
The correct expression for the probability which we need to find is:
1- BINOMDIST(2,5,1-POISSON(49,60,1),1)
Option D is correct.
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